.page-faq {
  --faq-space: clamp(2.5rem, 6vw, 5rem);
  --faq-gap: clamp(1rem, 2.4vw, 1.5rem);
  --faq-measure: 46rem;
  padding-bottom: clamp(2.5rem, 6vw, 5rem);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding-top: clamp(1.75rem, 4vw, 3.25rem);
  padding-bottom: clamp(1.25rem, 3vw, 2.5rem);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -12% -18% 26% 32%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(62% 58% at 72% 18%, rgba(139, 92, 246, .26), transparent 70%),
    radial-gradient(52% 52% at 18% 74%, rgba(47, 107, 255, .24), transparent 72%),
    radial-gradient(40% 40% at 88% 82%, rgba(34, 211, 238, .14), transparent 74%);
  filter: blur(8px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-faq h1 {
  margin: .6rem 0 1rem;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6.4vw, 4rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-faq .faq-hero__copy .lede {
  max-width: var(--faq-measure);
  color: var(--muted);
  font-family: var(--font-body);
  font-size: clamp(.98rem, 1.6vw, 1.08rem);
  line-height: 1.8;
}

.page-faq .faq-hero__flags {
  display: grid;
  gap: .65rem;
  margin: clamp(1.25rem, 3vw, 2rem) 0 0;
  padding: 1rem 0 0;
  list-style: none;
  border-top: 1px solid var(--line-hair);
  color: var(--muted);
  font-size: .9rem;
}

.page-faq .faq-hero__flags li {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  line-height: 1.5;
}

.page-faq .faq-flag__num {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--amber);
  letter-spacing: .02em;
}

/* ---------- 图片框 ---------- */
.page-faq .faq-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-l);
  background: linear-gradient(150deg, var(--panel), var(--ink));
  box-shadow: var(--shadow-card);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-figure__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 1.6rem 1rem .85rem;
  font-family: var(--font-body);
  font-size: .78rem;
  line-height: 1.6;
  color: var(--muted);
  background: linear-gradient(to top, rgba(5, 6, 10, .92), rgba(5, 6, 10, 0));
}

/* ---------- 索引导航 ---------- */
.page-faq .faq-index {
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
  padding: .85rem 0;
  border-top: 1px solid var(--line-hair);
  border-bottom: 1px solid var(--line-hair);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-index__list {
  display: flex;
  gap: .5rem;
  width: max-content;
  margin: 0;
  padding: 0 .25rem;
  list-style: none;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: .55rem;
  padding: .5rem .95rem;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: rgba(11, 16, 32, .66);
  color: var(--muted);
  font-family: var(--font-body);
  font-size: .86rem;
  white-space: nowrap;
  text-decoration: none;
  transition: color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}

.page-faq .faq-index__num {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: .78rem;
  color: var(--blue);
  transition: color .25s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--text);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-faq .faq-index__link:hover .faq-index__num,
.page-faq .faq-index__link:focus-visible .faq-index__num {
  color: var(--amber);
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  padding-top: var(--faq-space);
}

.page-faq .faq-section + .faq-section {
  margin-top: var(--faq-space);
  border-top: 1px solid var(--line-hair);
}

.page-faq .faq-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .75rem 1rem;
  align-items: start;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-faq .chapter-index {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(1.5rem, 4.2vw, 2.3rem);
  line-height: 1;
  padding-top: .15rem;
  color: var(--blue);
  letter-spacing: -.02em;
}

.page-faq #metrics .chapter-index { color: var(--violet); }
.page-faq #table-code .chapter-index { color: var(--amber); }
.page-faq #records .chapter-index { color: var(--cyan); }
.page-faq #support .chapter-index { color: var(--blue); }

.page-faq .faq-head__text .section-title {
  margin: .35rem 0 .75rem;
  max-width: 24ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3.6vw, 2.25rem);
  line-height: 1.2;
  color: var(--text);
}

.page-faq .faq-head__text .lede {
  max-width: var(--faq-measure);
  margin: 0;
  color: var(--muted);
  font-size: .96rem;
  line-height: 1.8;
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: .75rem;
  max-width: 56rem;
}

.page-faq .accordion {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(11, 16, 32, .94), rgba(5, 6, 10, .94));
  box-shadow: var(--shadow-card);
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-faq .accordion summary {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  padding: 1.05rem 1.15rem;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text);
  transition: color .25s var(--ease);
}

.page-faq .accordion summary::-webkit-details-marker {
  display: none;
}

.page-faq .accordion summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: 1.15rem;
  line-height: 1.2;
  color: var(--cyan);
  transition: color .25s var(--ease), transform .25s var(--ease);
}

.page-faq .accordion summary:hover {
  color: var(--amber);
}

.page-faq .accordion summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}

.page-faq .accordion[open] {
  border-color: var(--blue);
  box-shadow: var(--shadow-glow), var(--shadow-card);
}

.page-faq .accordion[open] summary::after {
  content: "–";
  color: var(--amber);
  transform: rotate(180deg);
}

.page-faq .accordion-body {
  padding: 1rem 1.15rem 1.25rem;
  border-top: 1px dashed var(--line-hair);
  color: var(--muted);
  font-family: var(--font-body);
  font-size: .94rem;
  line-height: 1.85;
}

.page-faq .accordion-body p {
  margin: 0;
}

.page-faq .accordion-body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, .4);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-faq .accordion-body a:hover,
.page-faq .accordion-body a:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
}

/* ---------- 统计分档布局 ---------- */
.page-faq .faq-metrics {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-faq .faq-metrics .faq-list {
  max-width: none;
}

.page-faq .faq-figure--metrics {
  align-self: start;
}

/* ---------- 编号结构卡 ---------- */
.page-faq .faq-code {
  display: grid;
  gap: 1rem;
  max-width: 56rem;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
  padding: clamp(1.25rem, 3vw, 1.85rem);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-l);
  background:
    linear-gradient(140deg, rgba(47, 107, 255, .12), rgba(139, 92, 246, .1) 55%, rgba(5, 6, 10, .9)),
    var(--panel);
}

.page-faq .faq-code__caption {
  margin: 0;
  font-family: var(--font-display);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-faq .faq-code__digits {
  display: flex;
  gap: .4rem;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(1.75rem, 6vw, 2.75rem);
  line-height: 1;
  letter-spacing: .06em;
}

.page-faq .faq-code__seg {
  padding: .3rem .55rem;
  border-radius: var(--radius-s);
  border: 1px solid var(--line-soft);
  background: rgba(5, 6, 10, .6);
}

.page-faq .faq-code__seg--season { color: var(--blue); }
.page-faq .faq-code__seg--region { color: var(--violet); }
.page-faq .faq-code__seg--table { color: var(--amber); }

.page-faq .faq-code__legend {
  display: grid;
  gap: .45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-code__legend li {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  font-size: .88rem;
  color: var(--muted);
}

.page-faq .faq-code__key {
  font-family: var(--font-data);
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-code__desc {
  color: var(--muted);
}

.page-faq .faq-code .copy-btn {
  justify-self: start;
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-support {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.25rem);
}

.page-faq .faq-support__list {
  display: grid;
  gap: .75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-support__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem .85rem;
  padding: 1rem 1.15rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(11, 16, 32, .72);
  transition: border-color .28s var(--ease), transform .28s var(--ease);
}

.page-faq .faq-support__row:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-faq .faq-support__row--note {
  background: transparent;
}

.page-faq .faq-support__key {
  flex: 0 0 auto;
  min-width: 5rem;
  font-family: var(--font-data);
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-faq .faq-support__val {
  flex: 1 1 12rem;
  min-width: 0;
  font-family: var(--font-data);
  font-size: clamp(.95rem, 2.4vw, 1.1rem);
  color: var(--text);
  word-break: break-word;
}

.page-faq .faq-support__row--note .faq-support__val {
  font-family: var(--font-body);
  font-size: .92rem;
  color: var(--muted);
}

.page-faq .faq-support__row .copy-btn {
  flex: 0 0 auto;
}

.page-faq .faq-support__cta {
  padding: clamp(1.25rem, 3vw, 1.85rem);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-l);
  background:
    linear-gradient(155deg, rgba(139, 92, 246, .14), rgba(5, 6, 10, .92)),
    var(--panel);
}

.page-faq .faq-support__cta h3 {
  margin: .5rem 0 .75rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.1rem, 2.8vw, 1.4rem);
  line-height: 1.4;
  color: var(--text);
}

.page-faq .faq-support__cta p {
  max-width: var(--faq-measure);
  margin: 0;
  color: var(--muted);
  font-size: .94rem;
  line-height: 1.8;
}

.page-faq .faq-support__cta a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, .4);
}

.page-faq .faq-support__cta a:hover,
.page-faq .faq-support__cta a:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
}

.page-faq .faq-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin-top: 1.25rem;
}

/* ---------- 收尾 ---------- */
.page-faq .faq-cta {
  padding-top: var(--faq-space);
  margin-top: var(--faq-space);
  border-top: 1px solid var(--line-hair);
}

.page-faq .faq-cta__panel {
  position: relative;
  overflow: hidden;
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-l);
  background:
    radial-gradient(70% 120% at 88% 8%, rgba(245, 165, 36, .16), transparent 62%),
    radial-gradient(60% 110% at 6% 92%, rgba(47, 107, 255, .2), transparent 66%),
    var(--panel);
}

.page-faq .faq-cta__panel .section-title {
  margin: .5rem 0 .85rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3.6vw, 2.1rem);
  line-height: 1.22;
  color: var(--text);
}

.page-faq .faq-cta__panel .lede {
  max-width: var(--faq-measure);
  margin: 0;
  color: var(--muted);
  font-size: .96rem;
  line-height: 1.8;
}

.page-faq .faq-cta__panel .lede a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, .4);
}

.page-faq .faq-cta__panel .lede a:hover,
.page-faq .faq-cta__panel .lede a:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin-top: 1.35rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__flags {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
  }

  .page-faq .faq-hero__flags li {
    flex-direction: column;
    gap: .25rem;
  }

  .page-faq .faq-code {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-faq .faq-code__caption {
    grid-column: 1 / -1;
  }

  .page-faq .faq-code__legend {
    gap: .35rem;
  }

  .page-faq .faq-code .copy-btn {
    grid-row: 2 / span 2;
    grid-column: 2;
    align-self: center;
  }

  .page-faq .faq-support__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-support__row--note {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
  }

  .page-faq .faq-figure--hero {
    transform: translateY(-1.25rem);
  }

  .page-faq .faq-metrics {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-faq .faq-support {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-support__list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .faq-support__row--note {
    grid-column: auto;
  }

  .page-faq .faq-cta__panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: .5rem 2rem;
    align-items: end;
  }

  .page-faq .faq-cta__panel .eyebrow,
  .page-faq .faq-cta__panel .section-title,
  .page-faq .faq-cta__panel .lede {
    grid-column: 1;
  }

  .page-faq .faq-cta__actions {
    grid-column: 2;
    grid-row: 1 / span 3;
    align-self: center;
    margin-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-support__row,
  .page-faq .accordion,
  .page-faq .accordion summary::after {
    transition: none;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-support__row:hover,
  .page-faq .faq-figure--hero {
    transform: none;
  }
}
<<<END>>>